Explanipedia

The Magnetic Search Coil (MSC) on the TRACERS Mission Open

G. B. Hospodarsky, Alberto Carton, Richard Dvorský, D. L. Kirchner, David M. Miles , et al. · 2025

The Magnetic Search Coil (MSC) instruments on the TRACERS mission provide the three magnetic components of the waves from ∼1 Hz to 1 kHz from two closely spaced spacecraft in low Earth orbit that pass through the magnetospheric cusp. These…

The Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites (TRACERS) Science Operations Center Open

I. W. Christopher, C. A. Kletzing, D. Crawford, Chris Piker, DL Wilkinson , et al. · 2025

The MAGnetometers for Innovation and Capability (MAGIC) Technology Demonstration Payload Open

David M. Miles, Amanda Lasko, S. R. Bounds, Matthew J. Blandin, Robert M. Broadfoot , et al. · 2025

The TRACERS Analyzer for Cusp Electrons Open

J. S. Halekas, Christian T. Hansen, S. Ruhunusiri, David Sheets, Antonio Washington , et al. · 2025

The Aperture Array Verification System 1: System overview and early\n commissioning results Open

P. Benthem, R. B. Wayth, Eloy de Lera Acedo, Kristian Zarb Adami, M. Alderighi , et al. · 2021

The design and development process for the Square Kilometre Array (SKA) radio\ntelescope, the Low Frequency Aperture Array component, was progressed during\nthe SKA pre-construction phase by an international consortium, with the goal of\nm…

The Aperture Array Verification System 1: System overview and early commissioning results Open

P. Benthem, R. B. Wayth, Eloy de Lera Acedo, Kristian Zarb Adami, M. Alderighi , et al. · 2021

The design and development process for the Square Kilometre Array (SKA) radio telescope’s Low Frequency Aperture Array component was progressed during the SKA pre-construction phase by an international consortium, with the goal of meeting …

Science with the Murchison Widefield Array: Phase I results and Phase II opportunities – Corrigendum Open

Adam P. Beardsley, M. Johnston‐Hollitt, Cathryn M. Trott, Jonathan C. Pober, John Morgan , et al. · 2020

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Gridded and direct Epoch of Reionisation bispectrum estimates using the Murchison Widefield Array Open

Cathryn M. Trott, Catherine A Watkinson, C. Jordan, Shintaro Yoshiura, Suman Majumdar , et al. · 2019

We apply two methods to estimate the 21-cm bispectrum from data taken within the Epoch of Reionisation (EoR) project of the Murchison Widefield Array (MWA). Using data acquired with the Phase II compact array allows a direct bispectrum est…

A VOEvent-based automatic trigger system for the Murchison Widefield Array Open

P. J. Hancock, G. E. Anderson, A. Williams, M. Sokołowski, S. E. Tremblay , et al. · 2019

The Murchison Widefield Array (MWA) is an electronically steered low-frequency (<300 MHz) radio interferometer, with a ‘slew’ time less than 8 s. Low-frequency (∼100 MHz) radio telescopes are ideally suited for rapid response follow-up of …

Hunting for Radio Emission from the Intermittent Pulsar J1107-5907 at Low Frequencies Open

Bradley W. Meyers, S. E. Tremblay, N. D. R. Bhat, Chris Flynn, Vivek Gupta , et al. · 2018

Rare intermittent pulsars pose some of the most challenging questions surrounding the pulsar emission mechanism, but typically have relatively minimal low-frequency (≲300 MHz) coverage. We present the first low-frequency detection of the i…

No Low-frequency Emission from Extremely Bright Fast Radio Bursts Open

M. Sokołowski, N. D. R. Bhat, Jean‐Pierre Macquart, R. M. Shannon, K. W. Bannister , et al. · 2018

We present the results of a coordinated campaign conducted with the Murchison Widefield Array (MWA) to shadow fast radio bursts (FRBs) detected by the Australian Square Kilometre Array Pathfinder (ASKAP) at 1.4 GHz, which resulted in simul…

Comparing Redundant and Sky-model-based Interferometric Calibration: A First Look with Phase II of the MWA Open

Wenqing Li, Jonathan C. Pober, B. J. Hazelton, N. Barry, M. F. Morales , et al. · 2018

Interferometric arrays seeking to measure the 21 cm signal from the epoch of reionization (EOR) must contend with overwhelmingly bright emission from foreground sources. Accurate recovery of the 21 cm signal will require precise calibratio…

Limits on radio emission from meteors using the MWA Open

X. Zhang, P. J. Hancock, Hadrien A. R. Devillepoix, R. B. Wayth, Adam P. Beardsley , et al. · 2018

Recently, low frequency, broadband radio emission has been observed\naccompanying bright meteors by the Long Wavelength Array (LWA). The broadband\nspectra between 20 and 60 MHz were captured for several events, while the\nspectral index (…

A Serendipitous MWA Search for Narrowband Signals from ‘Oumuamua Open

S. J. Tingay, D. L. Kaplan, E. Lenc, S. Croft, B. McKinley , et al. · 2018

We examine data from the Murchison Widefield Array (MWA) in the frequency range 72–102 MHz for a field of view that serendipitously contained the interstellar object ‘Oumuamua on 2017 November 28. Observations took place with a time resolu…

A Serendipitous MWA Search for Narrow-band and Broad-band Low Frequency Radio Transmissions from 1I/2017 U1 'Oumuamua Open

S. J. Tingay, D. L. Kaplan, E. Lenc, S. Croft, B. McKinley , et al. · 2018

We examine data from the Murchison Widefield Array (MWA) in the frequency range 72 -- 102 MHz for a field-of-view that serendipitously contained the interstellar object 'Oumuamua on 2017 November 28. Observations took place with time resol…

The Phase II Murchison Widefield Array: Design overview Open

R. B. Wayth, S. J. Tingay, Cathryn M. Trott, D. Emrich, M. Johnston‐Hollitt , et al. · 2018

We describe the motivation and design details of the ‘Phase II’ upgrade of the Murchison Widefield Array radio telescope. The expansion doubles to 256 the number of antenna tiles deployed in the array. The new antenna tiles enhance the cap…

<i>In situ</i> measurement of MWA primary beam variation using <i>ORBCOMM</i> Open

J. Line, B. McKinley, J. Rasti, Manisha Bhardwaj, R. B. Wayth , et al. · 2018

We provide the first in situ measurements of antenna element beam shapes of the Murchison Widefield Array. Most current processing pipelines use an assumed beam shape, which can cause absolute and relative flux density errors and polarisat…

The Engineering Development Array: A Low Frequency Radio Telescope Utilising SKA Precursor Technology Open

R. B. Wayth, M. Sokołowski, T. Booler, B. Crosse, D. Emrich , et al. · 2017

We describe the design and performance of the Engineering Development Array, which is a low-frequency radio telescope comprising 256 dual-polarisation dipole antennas working as a phased array. The Engineering Development Array was conceiv…

Follow Up of GW170817 and Its Electromagnetic Counterpart by Australian-Led Observing Programmes Open

Igor Andreoni, K. Ackley, Jeff Cooke, Ayan Acharyya, J. R. Allison , et al. · 2017

The discovery of the first electromagnetic counterpart to a gravitational wave signal has generated follow-up observations by over 50 facilities world-wide, ushering in the new era of multi-messenger astronomy. In this paper, we present fo…

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